# -*- coding: utf-8 -*-
# !/usr/bin/env python
# !/usr/bin/python3
# @Time    : 2021/3/30 20:07
# @Author  : buke-freedom
# @File    : tkinter_test1.py
"""
# @description：

"""
import tkinter as tk


class Application(tk.Frame):
    def __init__(self, master=None):
        super().__init__(master)
        self.master = master
        self.pack()
        self.create_widgets()

    def create_widgets(self):
        # self.hi_there = tk.Button(self)
        # self.hi_there["text"] = "Hello World\n(click me)"
        # self.hi_there["command"] = self.say_hi

        self.hi_there = tk.Button(self, text="Hello World\n(click me)", command=self.say_hi)
        self.hi_there.pack(side="top")

        self.quit = tk.Button(self, text="QUIT", fg="red",
                              command=self.master.destroy)
        self.quit.pack(side="bottom")

    def say_hi(self):
        print("hi there, everyone!")


root = tk.Tk()
app = Application(master=root)
app.mainloop()
